Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2020

Offsetting [Abstract]

Balance sheet offsetting of derivative assets and liabilities

The following table presents the interest rate, commodity, and foreign exchange assets and liabilities subject to an enforceable master netting arrangement. The interest, commodity and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Received
($ in Thousands)			Derivative Assets Offset		Cash Collateral Received						Net amount
Derivative assets
March 31, 2020	$	72,501	$	(2,847)	$	(69,654)	$	—	$	—	$	—
December 31, 2019	11,864		(10,410)		(1,408)		45		—		45
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Pledged
($ in Thousands)			Derivative Liabilities Offset		Cash Collateral Pledged						Net amount
Derivative liabilities
March 31, 2020	$	34,014	$	(2,847)	$	(30,645)	$	523	$	—	$	523
December 31, 2019	22,189		(10,410)		(11,365)		413		—		413